highly significantP < 0.05
Differences at a P < 0.01 were considered highly significant, at a P < 0.05 were considered significant, and at a 0.05 ≤ P < 0.1 were considered a trend.
Differences at a P < 0.01 were considered highly significant, at a P < 0.05 were considered significant, and at a 0.05 ≤ P < 0.1 were considered a trend.
[ 60 ] used growing pigs with double fistulas in the duodenum and ileum to study the effects of wheat bran fiber on nutrient digestibility of the stomach, small intestine, and hindgut and found that with an increase in wheat bran fiber supplementation level (16.5%, 21%, and 27%), the AID of CP, ash, DM, OM, and TDF showed an increasing trend, while ATTD decreased.